Bi@C Nanoplates Derived from (BiO)2CO3 as an Enhanced Electrode Material for Lithium/Sodium-Ion Batteries
- Authors
- Xiang, Juan; Liu, Zhiming; Song, Taeseup
- Issue Date
- Aug-2018
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- Bismuth; (BiO)(2)CO3; PDA; nanoplates; secondary batteries
- Citation
- CHEMISTRYSELECT, v.3, no.31, pp.8973 - 8979
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMISTRYSELECT
- Volume
- 3
- Number
- 31
- Start Page
- 8973
- End Page
- 8979
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/3328
- DOI
- 10.1002/slct.201801774
- ISSN
- 2365-6549
- Abstract
- Two-dimensional (2D) carbon coated bismuth nanoplates (Bi@C) were prepared by a self-template and subsequent thermal treatment process utilizing 2D (BiO)2CO3 nanosheets as starting material. The 2D nanoplates provide feasible pathways for electrons and ions while the outer carbon-coated layer efficiently prohibited the agglomeration of Bi and accommodated the huge volume change of Bi during the charging/discharging process. The as-obtained Bi@C nanoplates maintain a capacity higher than 420 mAh g−1 after 150 cycles as an anode of lithium ion batteries (LIBs). For sodium ion batteries (SIBs), a capacity of approximately 200 mAh g−1 over 200 cycles was achieved by the Bi@C electrode. The as-obtained 2D Bi@C nanoplates solves the problem of low conductivity and a large volume change of Bi when applied as an anode of secondary batteries, offering a simple, low-cost, and eco-friendly method for fabricating bismuth-carbon composite electrodes with excellent electrochemical performance in LIBs and SIBs.
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